Chrome: Privacy is a precious commodity, what with companies tracking you on the web and the NSA collecting data at large, so if you'd like a little security, SecureGmail is a Chrome extension that makes it easy to encrypt your Gmail messages with a password only your recipient should know.

Android: The HTC One and Galaxy S4 Google Editions ship with a new and improved Camera app that adds features like PhotoSphere and an improved settings menu. Thanks to some enterprising users, that APK is in the wild and available to anyone who wants to give it a whirl.

When you make a purchase online, or are providing an email address to someone you don't quite trust, it makes sense to provide a disposable email address. While it's certainly not the only service of its kind, MailDrop is a clean, easy to use service that keeps the junk out of your real inbox.

Android: You're probably familiar with the seven-minute, whole-body workout. We've shown you instructional videos and a timer to help, but if you're away from your computer, Scientific 7 Minute Workout for Android can help you get your exercise in anywhere, anytime.

Windows: Even the most careful among us can sometimes fall prey to crapware, and when that happens, you could spend quite awhile trying to uninstall every last bit of it. AdwCleaner makes that process dead simple, by finding all the pieces and deleting them for you.

iOS: We've shared a few apps that play nature sounds to help you relax, but Thunderspace takes the idea a step further. Start the app and put on headphones, and you get an immersive stereoscopic thunderstorm, complete with stereo audio and flashing lights in sync with the thunder and lightning you hear.

iOS: A few weeks ago, the team behind Any.DO teased Cal, a new calendar app that would take the pain and drudgery out of using and managing a calendar. Now it's available, and it shows you appointments, uses your contacts and location to make scheduling easy, and syncs with Google Calendar, Exchange, and iCloud.

For discovering new web content, everyone knows StumbleUpon. But NextStories is a cool alternative that presents pages and articles in a Pinterest-like interface, giving you more control over what you see next.